Can you buy an iPhone and just put the sim card from your existing ATT 3G phone in I did so in my brother's iPhone and got service and wanted to know if there was a way to do this with a new iphone?

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An AT&T 3G sim card will work in a new iPhone.

yessss you can :) but the box for the iPhone comes with a little tool to help you open the little compartment for the sim card.... its hidden right under that part where the phone is displayed, under that flap thing....... yeah... WELL its silver and has a small tip! not hard to miss! :) okay bye!
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How do you get a new SIM card for a used iPhone?

If this is for an account that is not for a company: Walk into a corporate owned retail store and say that you have damaged your SIM. Say that you called in and they told you that the store would give you one for free. Take the SIM home and insert it into the iPhone BEFORE activating the phone th (MORE)

When you buy an iPhone 3GS what will you have to pay as an existing iPhone customer?

If you already have an original iPhone, you will have to pay $200 for the 8GB model and $300 for the 16 GB model. It's $30 per month data plan. actuallyyyy.... there is no 8GB model for the 3Gs because of all of the extra information.... so the 16GB is $299 and the 32GB is $399..... i would know c (MORE)

How do you put a sim card into an iPhone?

if its an iphone 1,2,3 then its at the top you have to get a paperclip or something small to open it.(dont use anything tht will damage your phone) if its an iphone 4,4s,5 it on the right side.

I read somewhere that ATT is the sole service provider for the new iPhone 3G. I am planning to buy the iPhone but your current service provider is Verizon I am happy with your service provider?

The new iPhones come with a SIM lock which means it is not possible to change the service provider of the phones. There are grey markets vendors who might help you break the SIM lock and use the iPhone for other service providers. But remember, your iPhone warranty will become invalid if you do that (MORE)

If you buy a att iPhone 4g can you just stick your tmobile sim card in it?

you can't just put your sim card in it, but there are people who know how to convert the iphones over to tmobile, i have a friend that had it done..some of the applications dont work though so it just depends on what you all want from the iphone. if you just want the phone in general to make calls a (MORE)

Can you use a boostmobile sim card in your iPhone 3g?

No, Boost Mobile phones use an iDEN wireless network. iPhones use a GSM network. While both use sim cards their networks are totally incompatible and you cannot exhange one sim card for the other. I simple comparison would be trying to tune an AM only radio to an FM station, it just won't work.

How do you put an iPhone sim card in the phone?

there is a small slot on the side of the iphone, open it and slide card in as you would in a camera for example, kind of like what you have to do on regular cellphones.....a little rubber flap which you have to open.

Can you upgrade from an iPhone 3G to iPhone 3GS if so what is the price?

Yess you can ( but not through the itunes updates). if you are available for an upgrade, just go to the store and you can get the 16GB iPhone for $199, or the 32GB for $299. IF you are NOT available for an upgrade, each is $100 more expensive (16GB-$299 and 32GB-$399). Hope that helped! :) well (MORE)

When you buy an iPhone 3G what will you have to pay as an existing iPhone customer?

Depending on the country that you are in, the amount that you will pay to upgrade your handset will vary. You will need to contact your service provider if you purchased or are purchasing the new iPhone 3G on a plan.. However if you are purchasing from the Apple Store directly, there are no discoun (MORE)

How do you put your SIM card in a iPhone 3g?

Look at the top edge of the iphone 3g. there is a long button, and a headphone hole. See the tiny hole between the two? stick a small object, such as the little pick that comes with it, in the hole, and the sim card holder will pop out.

Is it possible to use a non-iPhone ATT SIM card with the iPhone 2g-- If so where is the card slot?

No. You have to jailbreak it. You can go on youtube on how to do that. Seach up blackra1n. It takes about 5 seconds. Go to the blackra1n app and then download sn0w. Then your iphone can be used with any carrier. The slot for the iphone is on the top between the lock and headphone jack. Use a small p (MORE)

Where do you put a SIM card in an iPhone?

At the top of the iphone there is a little hole but only a tiny one.What you do is get a paper clip and stick it in the hole at the top. A little tray will pop out with a sim (unless its bran new)on it.

Is the iPhone or iPhone 3g a better phone?

Exactly the same how ever the iphone 3g has a little bit wider screen and faster data speeds due to the fact that it supports 3g whereas the original iphone only supports edge or 2g

Does Apple iPhone 3GS work with sim card?

OF COURSE , all phones HAVE to have a sim card to work because it must store your number and any information you put on the phone. i think it may work without one , BUT i dont think you can save contacts or even get calls.

Do iPhones need 3g sims?

iPhones need a SIM card to work as a phone. If you don't have a SIM card you can use it as an iTouch.

Where is the Sim card slot on an iPhone 3gs?

It's in the middle of the Power button and the earphone slot. You will see a small hole on top. stick a small paper clip, bobby pin, pin, etc. into the hole and push lightly down. A slide containing the SIM card will eject and you can pull it out and eject the card.

Does an iPhone 3GS sim card work on iPhone 3G?

the sim card just holds network information not phone information so yes you can transfer your sim card without any problems i had a sim card from about 3 years ago and i just bought a iphone 3gs and it works fine in it

If you get a iPhone and you put your sims card in will you get charged for iPhone charges?

Short answer: No. Detailed Answer: You would first need to have a SIM card that is with AT&T. If it is with another carrier (such as T-Mobile, Sprint, Verizon, etc.), then you won't even be able to start the iPhone. If you already have AT&T, the iPhone can be used with extremely limited access. (MORE)

Which to buy - iPhone 3gs or iPhone 4?

the 3gs is much better for it's money iphone 3gs is better, i think. but it is very dear. it seems that you have enough money. if not, you can buy cheap phone instead.

Can you put a 3g iPhone sim card in to a 1st generation iPhone?

Yes you can but you will not get the benefit of the 3G network speed, you will only get EDGE. Also this will require an iPhone data plan change and if you had the unlimited plan on the iPhone 3Gs you will lose it and you will not be able to get it back.

Can you put a sim from an iPhone 3G in an iPhone 4G?

First off I'm assuming you meant iPhone 4, not 4G (common mistake). And to answer your question, no. The iPhone 3G has a much larger sim card than the iPhone 4, but you can just take them to At&t and they will transfer everything to the new card for you. If you already have both phones, I doubt they (MORE)

Can you get 4g service on your iPhone 3GS?

No, you can only get 4G service on 4G compatible devices. It is possible that the next iPhone released will be 4G compatible although that is still unknown at this point.

Can you use a different sim card on your iphone 3G?

Hey It depends on your location and your network For example, in the US, AT&T have a deal with Apple for a 2 year contract. Now, you can always jailbreak your iPhone and then put in the other Sim card. You will retain your number. But I can't really say if your network will trace it or not.